20047734

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1487}}^1$

素因数の和:1609

約数の個数: 48

約数和(自身を含む): 50139648

約数和(自身を除く): 30091914

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 107, 126, 214, 321, 642, 749, 963, 1487, 1498, 1926, 2247, 2974, 4461, 4494, 6741, 8922, 10409, 13383, 13482, 20818, 26766, 31227, 62454, 93681, 159109, 187362, 318218, 477327, 954654, 1113763, 1431981, 2227526, 2863962, 3341289, 6682578, 10023867, 20047734]

約数ペア:

[(1, 20047734), (2, 10023867), (3, 6682578), (6, 3341289), (7, 2863962), (9, 2227526), (14, 1431981), (18, 1113763), (21, 954654), (42, 477327), (63, 318218), (107, 187362), (126, 159109), (214, 93681), (321, 62454), (642, 31227), (749, 26766), (963, 20818), (1487, 13482), (1498, 13383), (1926, 10409), (2247, 8922), (2974, 6741), (4461, 4494)]